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From "kimec.ethome.sk" <ki...@ethome.sk>
Subject How to speedup activation on a node with persistence
Date Sun, 17 Dec 2017 16:24:51 GMT
Greetings,

I have a Spring Boot app which contains embedded Ignite server node and 
acts like "a single node cluster". Persistence is enabled. The embedded 
server node is activated on ContextRefresh event.
Sometimes the app starts in seconds (6 to 9 seconds), other times it 
hangs for 10 minutes waiting for node activation to finish. The app is 
the only Ignite node on the network.
Is the 10 minute long activation normal or could it be faster after some 
tweaking?

This is what I see in the log when stuck:

[ INFO] [15.12.2017 13:05:36.589] [] [xchange-worker-#42] 
[ridDhtPartitionsExchangeFuture]: Finished waiting for partition release 
future [topVer=AffinityTopologyVersion [topVer=1, minorTopVer=1], 
waitTime=0ms, futInfo=NA]
[ INFO] [15.12.2017 13:06:38.462] [] [ate-notifier-timer] 
[o.a.i.i.p.c.GridUpdateNotifier]: Update status is not available.
[ INFO] [15.12.2017 13:14:18.818] [] [xchange-worker-#42] 
[GridCacheDatabaseSharedManager]: Read checkpoint status 
[startMarker=/tmp/ignite/work/myapp/persistent_store/node00-68e9e45a-3193-49f2-8f8b-93dfa5b08a6a/cp/1513339132540-b562bb70-f708-441a-9dab-48cce4f4ea17-START.bin,

endMarker=/tmp/ignite/work/myapp/persistent_store/node00-68e9e45a-3193-49f2-8f8b-93dfa5b08a6a/cp/1513339132540-b562bb70-f708-441a-9dab-48cce4f4ea17-END.bin]
[ INFO] [15.12.2017 13:14:18.818] [] [xchange-worker-#42] 
[GridCacheDatabaseSharedManager]: Applying lost cache updates since last 
checkpoint record

Main thread booting the app is suspended and waiting for activation to 
finish:

"main" - Thread t@1
    java.lang.Thread.State: WAITING
         at sun.misc.Unsafe.park(Native Method)
         at java.util.concurrent.locks.LockSupport.park(Unknown Source)
         at 
org.apache.ignite.internal.util.future.GridFutureAdapter.get0(GridFutureAdapter.java:177)
         at 
org.apache.ignite.internal.util.future.GridFutureAdapter.get(GridFutureAdapter.java:140)
         at 
org.apache.ignite.internal.IgniteKernal.active(IgniteKernal.java:3510)
         at my.ignite.IgniteActivator.start(IgniteActivator.java:40)
         at 
org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:175)
         at 
org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:50)
         at 
org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:348)
         at 
org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:151)
         at 
org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:114)
         at 
org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:880)
         at 
org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.finishRefresh(EmbeddedWebApplicationContext.java:144)
         at 
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:546)
         - locked <35a3518d> (a java.lang.Object)
         at 
org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122)
         at 
org.springframework.boot.SpringApplication.refresh(SpringApplication.java:693)
         at 
org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:360)
         at 
org.springframework.boot.SpringApplication.run(SpringApplication.java:303)
         at 
org.springframework.boot.SpringApplication.run(SpringApplication.java:1118)
         at 
org.springframework.boot.SpringApplication.run(SpringApplication.java:1107)
         at my.MyApplication.main(MyApplication.java:25)

Could somebody give me any pointers as to why this is happening and what 
may be wrong with my configuration?

Thank you!

Kamil

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